Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DX75C 300B found under Chassis Electrical Electronic Eq by Phoenix International Systems. The National Stock Number assigned to this part is 5975015864529, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DX75C 300B.